Khalsi area, Chaetetid loc. 1 (Cretaceous of India)

Where: India (34.3° N, 76.9° E: paleocoordinates 23.2° S, 61.3° E)

• coordinate estimated from map

When: Late/Upper Cretaceous (100.5 - 66.0 Ma)

• probably Aptian - Cenomanian; dated with Orbitolina

Environment/lithology: deep subtidal; limestone

• shallow water tropical to sub-tropical carbonate platform associated with the Dras volcanic arc system
• broadly comprised of Orbitolina-bearing limestone, grayish white limestone, dark gray splintery shale, gritstone, volcanogenic sediment, tuffaceous shale, siltstone, minor quartzarenite along with the ultramafic, serpentinite, and diabase. The thickness of the Orbitolina-bearing limestone bed varies from 5 to 250 m.

Size class: macrofossils

• highly fossiliferous and preserves rudists (bivalves), gastropods, bryozoans, corals, echinoids, chaetetids, and foraminifera

Collection methods: mechanical

Primary reference: P. Barman, F. Sánchez-Beristain, S.R. Mishra, M. Ibrahim, N. Kumar Swami, M. Bamniya, and S. Singh. 2021. First report of Acanthochaetetes (Porifera: Demospongiae) from the Cretaceous Khalsi Formation, Ladakh Himalaya, India. Journal of Paleontology 95(6):1138-1146 [B. Seuss/B. Seuss/B. Seuss]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 211031: authorized by Barbara Seuss, entered by Barbara Seuss on 24.06.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Demospongiae
 Hadromerida - Acanthochaetetidae
Acanthochaetetes huauclillensis Sánchez-Beristain and García-Barrera 2019 demosponge